Home / 80,549,431.63-120,884,320.01-54,580,157.10

Finding the Fourth Proportional to 80,549,431.63, 120,884,320.01 and 54,580,157.10

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Solution

The fourth proportional to 80,549,431.63, 120,884,320.01 and 54,580,157.10 is: 81,911,008.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,549,431.63 : 120,884,320.01 = 54,580,157.10 : x
  2. Step 2: Convert to fraction form
    80,549,431.63/120,884,320.01 = 54,580,157.10/x
  3. Step 3: Cross multiply
    80,549,431.63x = 120,884,320.01 × 54,580,157.10
  4. Step 4: Simplify right side
    80,549,431.63x = 6,597,885,177,208,924
  5. Step 5: Solve for x
    x = 6,597,885,177,208,924/80,549,431.63
  6. Step 6: Final answer
    x = 81,911,008.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.